2-Mercaptoisobutyric Acid, 90% CAS 4695-31-2
| CAS No. | 4695-31-2 |
| Molecular Formula | C4H8O2S |
| Molecular Weight | 120.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Mercaptoisobutyric Acid, 90% (CAS 4695-31-2) is a high-purity analytical reference standard with the molecular formula C4H8O2S and a molecular weight of 120.17 g/mol.
2-Mercaptoisobutyric Acid, 90% (C4H8O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Mercaptoisobutyric Acid, 90% meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4H8O2S |
| Molecular Weight | 120.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
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